Does anyone know why this command is not working?

give @a diamond_chestplate[custom_name='["",{"text":"Nova Chesplate","italic":false,"color":"light_purple","bold":true}]',lore=['[""]','["",{"text":"Said to be born from the collapse of a giant star in the center of the universe. ","italic":false,"color":"dark_aqua"}]','[""]','["",{"text":"Ability: Go BIG!","italic":false,"color":"gold"},{"text":" ","italic":false},{"text":"WEAR","italic":false,"color":"yellow"}]','["",{"text":"When worn, gain the ability to ","italic":false,"color":"gray"},{"text":"grow to incredible heights","italic":false,"color":"yellow"},{"text":" while gaining attributes to make you stronger in ","italic":false,"color":"gray"},{"text":"EVERYWAY","italic":false,"color":"yellow"},{"text":"!","italic":false,"color":"gray"}]','[""]','["",{"text":"Mythic Chesplate","italic":false,"color":"light_purple"}]'],item_name=diamond_chestplate,rarity=epic,enchantments={levels:{protection:4}},attribute_modifiers={modifiers:[{type:"generic.movement_speed",amount:10,slot:chest,operation:add_value,id:1732317634670},{type:"generic.scale",amount:9999999999999,slot:chest,operation:add_value,id:1732317634670},{type:"generic.step_height",amount:35,slot:chest,operation:add_value,id:1732317634670},{type:"generic.attack_knockback",amount:5,slot:chest,operation:add_value,id:1732317634670},{type:"player.entity_interaction_range",amount:40,slot:chest,operation:add_value,id:1732317634670},{type:"player.block_interaction_range",amount:40,slot:chest,operation:add_value,id:1732317634670},{type:"generic.armor",amount:25,slot:chest,operation:add_value,id:1732317634670},{type:"generic.knockback_resistance",amount:0.5,slot:chest,operation:add_value,id:1732317634670},{type:"generic.max_health",amount:20,slot:chest,operation:add_value,id:1732317634670},{type:"generic.explosion_knockback_resistance",amount:0.5,slot:chest,operation:add_value,id:1732317634670}]}] 1